I'm currently in the train, so can't check that, but maybe you have to switch to the other branch. Weird, the notebook files are the same, but somehow the one in master did noch load in githubs web preview.
I created two scripts: one (already existed at the last pydatabln in 2017) for querying the schedule and talk details, you can find under pydatabln2018_filter_and_overview.ipynb. Another one for pushing the data to according google calendars, look under write2cal.ipynb.
